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Shweta has connected a cell with a bulb. The bulb didn't glow. What could be the reasons? A. Bulb was connected by the positive terminal from both ends. B. One end of the bulb was connected with a positive terminal and another end was connected with a negative terminal.  C. Bulb was connected by the negative terminal from both ends D. Bulb was fuse.
An electric cell is connected to the bulb from its one end. The other end of both bulb and cell is open. Given, the connections are correct and bulb and cell both are in working conditions, which among the following will ensure that the bulb will not glow when it is connected across both open ends?
The amount of electric charge flowing through electric circuit in 10 minutes is 300 coulombs. Find the electric current drawn by the filament of the electric bulb is?
The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)
The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil)
The bypass factor (B.P.F.) in case of sensible heating of air is (Where td1 = Dry bulb temperature of air entering the heating coil, td2 = Dry bulb temperature of air leaving the heating coil and td3 = Dry bulb temperature of heating coil)
The bypass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil and td3 = Dry bulb temperature of the cooling coil)
An electric bulb is connected in series with a solenoid and they are connected with an AC supply. When a soft iron rod is inserted in solenoid then the intensity of electric bulb will be
The time to failure of an electric bulb follows a Weibull distribution with scale = 2000 hours and shape = 0.5. What is the probability that the electric bulb will last more than 4000 hours? What is the mean time to failure?
What would be the electric current in electric bulb from the source of 220 V. If the resistance of bulb filament is 1200 Ω?